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  • rman的conver方法拷贝ASM文件

    rman中的conver命令主要用户跨平台传输表空间,也可以完成从ASM何本地文件系统中拷贝文件,比用dbms_file_transfer方法要简单

    从ASM拷贝到文件系统:

    拷贝表空间

    在拷贝表空间的时候,必须首先将表空间设置为只读,否则会出错,如下:

    RMAN> convert tablespace kel format '/home/oracle/kel1_%U.dbf';
    
    Starting backup at 10-JUL-14
    using channel ORA_DISK_1
    RMAN-00571: ===========================================================
    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
    RMAN-03002: failure of backup command at 07/10/2014 23:45:00
    RMAN-06599: tablespace KEL is not read-only

    将表空间设置为只读:

    SQL> alter tablespace kel read only;
    
    Tablespace altered.

    拷贝表空间:

    RMAN> convert tablespace kel format '/home/oracle/kel1_%U.dbf';
    
    Starting backup at 10-JUL-14
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting datafile conversion
    input datafile fno=00005 name=+RECOVER/omf/datafile/kel.dbf
    converted datafile=/home/oracle/kel1_data_D-OMF_I-680034237_TS-KEL_FNO-5_05pd33mi.dbf
    channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:25
    Finished backup at 10-JUL-14

    拷贝数据文件

    拷贝数据文件的文件的时候,直接进行拷贝即可:

    RMAN> convert datafile '+recover/omf/datafile/CONVERT.274.852579119' format '/home/oracle/con_%U.dbf';
    
    Starting backup at 10-JUL-14
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting datafile conversion
    input filename=+RECOVER/omf/datafile/convert.274.852579119
    converted datafile=/home/oracle/con_data_D-OMF_I-680034237_TS-CONVERT_FNO-6_06pd33s7.dbf
    channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:16
    Finished backup at 10-JUL-14

    从文件系统拷贝到ASM中

    RMAN> convert datafile '/home/oracle/kel.dbf' format '+recover';
    
    Starting backup at 10-JUL-14
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting datafile conversion
    input filename=/home/oracle/kel.dbf
    converted datafile=+RECOVER/omf/datafile/kel.276.852594751
    channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:25
    Finished backup at 10-JUL-14

    在从文件系统拷贝到ASM之后,可以将数据文件先offline
    SQL> alter database datafile '+RECOVER/omf/datafile/kel.dbf' offline;
    
    Database altered.

    然后将数据库文件进行更名
    SQL> alter database rename file '+RECOVER/omf/datafile/kel.dbf' to '+RECOVER/omf/datafile/KEL.276.852594751';
    
    Database altered.
    在online的时候报错:
    SQL> alter database datafile '+RECOVER/omf/datafile/KEL.276.852594751' online;
    alter database datafile '+RECOVER/omf/datafile/KEL.276.852594751' online
    *
    ERROR at line 1:
    ORA-01113: file 5 needs media recovery
    ORA-01110: data file 5: '+RECOVER/omf/datafile/kel.276.852594751'

    对数据文件进行恢复;
    RMAN> recover datafile 5;
    
    Starting recover at 11-JUL-14
    using channel ORA_DISK_1
    
    starting media recovery
    media recovery complete, elapsed time: 00:00:05
    
    Finished recover at 11-JUL-14

    然后将数据文件online:
    SQL> alter database datafile '+RECOVER/omf/datafile/KEL.276.852594751' online;
    
    Database altered.



    for linux and python
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  • 原文地址:https://www.cnblogs.com/kellyseeme/p/5525155.html
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